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[APD] RE: Optimum nutrient levels

On Sun, 14 Dec 2003, Thomas Barr wrote:

> You also can mega dose right before the water change day.
> You add 2-3x the amount of KNO3 and KH2PO4 24-12 hrs before 
> you do a water
> change.
> The water changes removes the excess and the plants get very well fed.

What happens if you don't do a water change afterwards? Or, you get the
measurements wrong and add 5 times too much and don't realise? If nitrate
and phosphate don't cause algae is there any harm in overdosing?

Just another thought: If you overdose, would the phosphate cause a problem
with the pH controller for C02 injection? Too much feeding = too little C02?

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